Product Description
Genuine Cummins
Cummins 3954324 — Valve Cover Gasket (ISB 5.9L)
MPN: 3954324 | Also Known As: rocker/valve cover gasket
Why This Part
- ✓ OE sealing to prevent oil leaks at the valve cover.
- ✓ Direct-fit for 2003–2005 Ram 5.9L ISB (common-rail).
- ✓ Correct profile & material for long service life.
- ✓ Restores factory NVH and serviceability at the rocker/valve cover.
OE Fit Stock Replacement 1 Per Engine
Quick Specs
| Type | Valve (Rocker) Cover Gasket |
|---|---|
| OE Part # | 3954324 |
| Qty Required | 1 per engine (sold individually) |
| Location | Seals valve cover to cylinder head |
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 2003–2005 | Ram 5.9L ISB (24V Common-Rail) | Ram 2500/3500 |
Notes: For 2006–2007 5.9L or any non-Ram/industrial engines, confirm by VIN/ESN; gasket styles can vary by cover revision.
Often Paired With
- Rocker Box Gasket: Cummins 3963379 (upper cover interface)
- Lower Engine Gasket Kit: Cummins 4089173 (’03–’07 5.9L)
- Fresh oil & filter if contamination was present
What’s In The Box
- (1) Genuine Cummins Valve Cover Gasket (3954324)
- Hardware not included (reuse per service manual if within spec)
Install Tips
- Clean mating surfaces; remove all old gasket material and sealant.
- Inspect cover for warp/cracks; replace if damaged.
- Torque fasteners to factory spec in an even pattern; recheck after heat cycle.
FAQ
WILL THIS FIT MY 2003–2005 5.9L CUMMINS RAM?Yes—3954324 is the OE valve cover gasket for 2003–2005 Ram 2500/3500 with the 5.9L ISB common-rail (verify by VIN/ESN).
IS THIS THE GASKET BETWEEN THE VALVE COVER AND THE HEAD?Correct—this seals the valve (rocker) cover to the cylinder head to prevent oil leaks.
DO I NEED SEALANT WITH THIS GASKET?Generally no—install dry unless your service manual specifies a dab at timing cover joints. Always follow Cummins procedures.
WHAT OTHER SEALS SHOULD I CHECK WHILE I’M HERE?Inspect the rocker box gasket (3963379) and any CCV/vent seals. Replace if brittle or leaking.
IS THIS A GENUINE CUMMINS PART?Yes—OE Cummins 3954324 for correct fit and durability.
Product Videos
Custom Field
Vehicle Year 2003,2004
Vehicle Make DODGE RAM
ENGINE 5.9L
Part Type GASKET SEAL
